.App {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}
.App > .content {
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1 1;
}
.App > .tabeBar {
  flex: 0 0 auto;
  width: 100%;
}
